6. What are the cellular components of blood?
Blood is the fluid connective tissue. It consists of blood plasma and cellular components. The cellular components of blood are of following types.
1. Erythrocytes- These are red blood cells. Erythrocytes are red due to the presence of haemoglobin. Erythrocytes are biconcave, coloured cells devoid of a nucleus. These mainly help in transporting respiratory gases.
2. Leucocytes- These are white blood cells. There are 5 types of leucocytes i.e. neutrophils, eosinophils, basophils, lymphocytes and monocytes. Leucocytes are mainly involved in fighting infections and providing immunity.
3. Thrombocytes- These are blood platelets involved in the coagulation of blood.
It has four main components:Plasma, Red blood cells, white blood cells and Platelets.